33222146 has 8 divisors (see below), whose sum is σ = 52456080. Its totient is φ = 15736788.

The previous prime is 33222121. The next prime is 33222157. The reversal of 33222146 is 64122233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33222146² = 2207421969690632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437096 + ... + 437171.

It is an arithmetic number, because the mean of its divisors is an integer number (6557010).

Almost surely, 2^33222146 is an apocalyptic number.

33222146 is a deficient number, since it is larger than the sum of its proper divisors (19233934).

33222146 is a wasteful number, since it uses less digits than its factorization.

33222146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874288.

The product of its digits is 1728, while the sum is 23.

The square root of 33222146 is about 5763.8655431923. The cubic root of 33222146 is about 321.4715622968.

Adding to 33222146 its reverse (64122233), we get a palindrome (97344379).

The spelling of 33222146 in words is "thirty-three million, two hundred twenty-two thousand, one hundred forty-six".